Goat's Rue, derived from the plant Galega officinalis, has a long history in traditional European herbalism and is perhaps best known as the botanical inspiration behind the development of metformin, one of the most widely prescribed blood sugar support medications. Research suggests that certain compounds in Goat's Rue, particularly galegine, may play a role in supporting healthy blood sugar metabolism, though human clinical data remains limited compared to its pharmaceutical descendant. Studies also indicate that Goat's Rue has been traditionally used and preliminarily studied for its potential to support lactation in nursing mothers, with some evidence pointing to a possible influence on breast tissue development and milk production. As with many herbal supplements, the quality of available research varies, and ongoing investigation continues to clarify its full range of effects.
Compare this supplementThese are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Capsule | 500–1,000 mg | Three times daily | Blood sugar regulation | Traditional use and herbal practice references; limited RCT data |
| Capsule | 300–600 mg | Twice daily | Lactation support | Common in observational and traditional use studies for galactagogue effects |
| Extract | 200–400 mg | Twice daily | Blood sugar regulation | Based on limited clinical trials examining guanidine-containing extracts for glycemic control |
| Liquid | 1–2 g | Daily | Lactation support | Traditional herbal use; referenced in galactagogue literature |